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Avoid range-loop-construct in TopicManager #2983

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merged 1 commit into from
Apr 30, 2021

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Karsten1987
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Clang (on OSX) issues a warning at the TopicManager:

/usr/local/Cellar/gazebo11/11.3.0/include/gazebo-11/gazebo/transport/TopicManager.hh:131:37: error: loop variable 'liter' of type 'const boost::shared_ptr<gazebo::transport::Node>' creates a copy from type 'const boost::shared_ptr<gazebo::transport::Node>' [-Werror,-Wrange-loop-construct]
                    for (const auto liter : iter2.second)
                                    ^
/usr/local/Cellar/gazebo11/11.3.0/include/gazebo-11/gazebo/transport/TopicManager.hh:131:26: note: use reference type 'const boost::shared_ptr<gazebo::transport::Node> &' to prevent copying
                    for (const auto liter : iter2.second)
                         ^~~~~~~~~~~~~~~~~~
                                    &
1 error generated.

As proposed, using it as a reference silences the warning.

Clang (on OSX) issues a warning at the TopicManager:
```
/usr/local/Cellar/gazebo11/11.3.0/include/gazebo-11/gazebo/transport/TopicManager.hh:131:37: error: loop variable 'liter' of type 'const boost::shared_ptr<gazebo::transport::Node>' creates a copy from type 'const boost::shared_ptr<gazebo::transport::Node>' [-Werror,-Wrange-loop-construct]
                    for (const auto liter : iter2.second)
                                    ^
/usr/local/Cellar/gazebo11/11.3.0/include/gazebo-11/gazebo/transport/TopicManager.hh:131:26: note: use reference type 'const boost::shared_ptr<gazebo::transport::Node> &' to prevent copying
                    for (const auto liter : iter2.second)
                         ^~~~~~~~~~~~~~~~~~
                                    &
1 error generated.
```

As proposed, using it as a reference silences the warning.
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looks reasonable

out of curiosity, which version of macOS are you using?

@Karsten1987
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using OSX: 10.14.6

 ➭ clang --version
clang version 10.0.1
Target: x86_64-apple-darwin18.7.0
Thread model: posix
InstalledDir: /usr/local/opt/llvm/bin

@j-rivero j-rivero merged commit 5f17068 into gazebosim:gazebo11 Apr 30, 2021
@Karsten1987 Karsten1987 deleted the patch-1 branch April 30, 2021 18:24
@Karsten1987
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Thank you for merging. Is there any chance this can land in a new homebrew version?

@j-rivero
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Thank you for merging. Is there any chance this can land in a new homebrew version?

I probably need to release a new gazebo11 patch version during the next week, is that good enough for you sir? or do you want it sooner? :p

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4 participants